Glaciers are long extinct rivers that are formed of deeply packed snow.

Such pockets are dotted about the country, telling their tale of trade links long extinct and industries half-forgotten.

These congregations are long extinct, although some of their members were still alive in the late 1950s.

These islands represent the remnants of a long extinct ring volcano rising from a seabed plateau approximately 40 m (130 ft) below sea level.

It also clones long extinct animals and performs selective breeding.